Imamzadeh Soltan Mohammad Abed (tomb of Muhammad Al-Abed) is located in a city called Kakhak, 24 km. south of Gonabad. This is the tomb of Mohammad Ben Jafar al Sadeq, the uncle of Imam Reza, which was reputedly known as "Mohammad Al Abed". The structure was erected during the end of the Saljuqi era and was repaired during Teimoorian and Safavid eras. ...